Question 1 Report
If cos x = √ab a b find coses x
Answer Details
cosx = √ab a b y2 + √(a)2 ( a ) 2 = √(b)2 ( b ) 2 by pythagoras y2 = b - a ∴ y = b - a cosec x = 1sinx 1 s i n x = 1y 1 y by b y = √b√b−a b b − a = √bb−a
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